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NFV resource allocation method

A resource allocation and data packet technology, applied in the field of network function virtualization, can solve problems such as slow learning speed, poor robustness, and difficulty in modeling network status and traffic

Active Publication Date: 2020-04-07
国网河北省电力有限公司雄安新区供电公司 +1
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Problems solved by technology

[0005] In order to overcome the above-mentioned difficulties in network state and traffic modeling when considering the minimum delay in NFV resource allocation, solve the problems of slow learning speed and poor robustness of dynamic allocation problems, or at least partially solve the above problems, embodiments of the present invention provide a NFV resource allocation method

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Embodiment Construction

[0072] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

[0073] In one embodiment of the present invention, a method for allocating NFV resources is provided, figure 1 A schematic diagram of the overall flow of the NFV resource allocation method provided by the embodiment of the present invention, the method includes: S101, modeling the NFV network, constructing a network model, modeling traffic in the NFV network, and constructing a traffic model;

[0074] Among them, traffic is processed and transmitted in the form of data packets. The NFV network includes mul...

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Abstract

The invention provides an NFV (Network Function Virtualization) resource allocation method, which comprises the following steps of: modeling an NFV network, constructing a network model, modeling traffic in the NFV network, and constructing a traffic model; modeling a processing process and a transmission process of a data packet in the flow according to the network model and the flow model, and modeling time delay of the data packet in the processing process and the transmission process according to modeling results of the processing process and the transmission process; and solving the modeling result of the time delay according to a preset constraint condition and a utility function to obtain a resource allocation result of the flow so as to minimize the time delay. According to the invention, modeling is carried out on time delay in a processing process and a transmission process based on a queuing theory so as to evaluate end-to-end delay when a data packet passes through an embedded NFV chain, and a utility function related to the delay is defined as environmental feedback of an allocation strategy, so that a resource allocation result with the minimum time delay is obtained.

Description

technical field [0001] The invention belongs to the technical field of network function virtualization, and in particular relates to a method for allocating NFV resources. Background technique [0002] Along with the development brought about by resource virtualization, Network Functions Virtualization (NFV) has played a central role in the evolution of network infrastructure. NFV supports the separation of network functions (Network Functions, NF) from proprietary hardware devices, and the flexible configuration of virtual network functions (Virtual Network Functions, VNF) on the best shared physical infrastructure. A group of VNFs are linked together virtually to form a Service Function Chaining (SFC). By scaling VNFs in SFC, NFV supports a more flexible approach to resource allocation among services. [0003] Due to the rapid growth of delay-sensitive services, such as audio, video and game services, the network needs to ensure good delay performance to ensure reliable ...

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Application Information

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IPC IPC(8): H04L12/24H04L12/46
CPCH04L41/145H04L41/0896H04L41/0893H04L12/4641
Inventor 张正文钟成郭少勇贺文晨马涛马慧卓胡杏
Owner 国网河北省电力有限公司雄安新区供电公司
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